5111110511055 has 24 divisors (see below), whose sum is σ = 8859345844752. Its totient is φ = 2725898644224.

The previous prime is 5111110511051. The next prime is 5111110511071. The reversal of 5111110511055 is 5501150111115.

It is not a de Polignac number, because 5111110511055 - 2² = 5111110511051 is a prime.

It is a super-2 number, since 2×5111110511055² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111110511051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4549632 + ... + 5560698.

It is an arithmetic number, because the mean of its divisors is an integer number (369139410198).

Almost surely, 2^{5111110511055} is an apocalyptic number.

5111110511055 is a deficient number, since it is larger than the sum of its proper divisors (3748235333697).

5111110511055 is a wasteful number, since it uses less digits than its factorization.

5111110511055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123415 (or 1123412 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 27.

The spelling of 5111110511055 in words is "five trillion, one hundred eleven billion, one hundred ten million, five hundred eleven thousand, fifty-five".